72394999040

Names of 72394999040

• Cardinal: 72394999040 can be written as Seventy-two billion, three hundred ninety-four million, nine hundred ninety-nine thousand and forty.

Scientific notation

• Scientific notation: 7.239499904 × 10¹⁰

Factors of 72394999040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 88816

Divisors of 72394999040

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 49 52 56 64 65 70 80 91 98 104 112 128 130 140 160 182 196 208 224 245 256 260 280 320 364 392 416 448 455 490 520 560 637 640 728 784 832 896 910 980 1040 1120 1274 1280 1456 1568 1664 1792 1820 1960 2080 2240 2548 2912 3136 3185 3328 3640 3920 4160 4480 5096 5824 6272 6370 7280 7840 8320 8960 10192 11648 12544 12740 14560 15680 16640 20384 23296 25480 29120 31360 40768 50960 58240 62720 81536 88789 101920 116480 163072 177578 203840 355156 407680 443945 621523 710312 815360 887890 1154257 1243046 1420624 1775780 2308514 2486092 2841248 3107615 3551560 4350661 4617028 4972184 5682496 5771285 6215230 7103120 8079799 8701322 9234056 9944368 11364992 11542570 12430460 14206240 16159598 17402644 18468112 19888736 21753305 22729984 23085140 24860920 28412480 32319196 34805288 36936224 39777472 40398995 43506610 46170280 49721840 56558593 56824960 64638392 69610576 73872448 79554944 80797990 87013220 92340560 99443680 113117186 113649920 129276784 139221152 147744896 159109888 161595980 174026440 184681120 198887360 226234372 258553568 278442304 282792965 295489792 323191960 348052880 369362240 397774720 452468744 517107136 556884608 565585930 646383920 696105760 738724480 795549440 904937488 1034214272 1113769216 1131171860 1292767840 1392211520 1477448960 1809874976 2068428544 2262343720 2585535680 2784423040 3619749952 4524687440 5171071360 5568846080 7239499904 9049374880 10342142720 14478999808 18098749760 36197499520 72394999040
• Sum of all divisors σ(n): 217239651720
• Sum of proper divisors (its aliquot sum) s(n): 144844652680
• 72394999040 is an abundant number, because the sum of its proper divisors (144844652680) is greater than itself. Its abundance is 72449653640

Bases of 72394999040

• Binary: 1000011011011000101000000010100000000₂
• Hexadecimal: 0x10DB140500
• Base-36: X9A42RK

Squares and roots of 72394999040

• 72394999040 squared (72394999040²) is 5241035886001600921600
• 72394999040 cubed (72394999040³) is 379424787935691448157695115264000
• The square root of 72394999040 is 269063.1878202591
• The cube root of 72394999040 is 4167.7614716571

Scales and comparisons

• 72,394,999,040 seconds is equal to 2,301 years, 48 weeks, 5 days, 1 hour, 57 minutes, 20 seconds.
• To count from 1 to 72,394,999,040 would take you about four thousand, six hundred three years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 72394999040 cubic inches would be around 347.3 feet tall.

Recreational maths with 72394999040

• 72394999040 backwards is 04099949327
• 72394999040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72394999040's digits is 56
• More coming soon!